Ameresco insider exercises options and schedules 5,900-share sale

Rhea-AI Filing Summary

Notice of Proposed Sale under Rule 144 by an insider showing planned and recent sales of common stock. The filer intends to sell 5,900 shares through Morgan Stanley Smith Barney LLC on 10/08/2025 with an aggregate market value of $229,215.00. The shares to be sold were acquired the same day 10/08/2025 by exercise of stock options and paid for in cash. The filing lists total shares outstanding of 34,703,659, which places the planned sale at a small fraction of total equity.

The notice also discloses multiple recent sales by the same person, executed under a Rule 10b5-1 plan: 10/07/2025 (5,900 shares), 10/06/2025 (5,900), 10/01/2025 (5,602), and a smaller sale on 09/15/2025 (269 shares). The filer certifies no undisclosed material adverse information and follows required signature and disclosure statements.

Positive

• Transparent disclosure of planned sale with broker and proceeds
• Shares acquired by option exercise and paid in cash, reducing ambiguity about source
• Multiple prior 10b5-1 sales indicate trades were pre‑arranged under a formal plan

Negative

• None.

Insights

Insider Transactions Analyst

Insider exercised options and is selling modest share amounts under a 10b5-1 plan.

The transaction shows an exercise of stock options on 10/08/2025 followed by a proposed sale of 5,900 shares through Morgan Stanley Smith Barney LLC for $229,215.00. The filing confirms payment in cash, which indicates the insider converted optioned shares to common shares before sale.

This activity is part of a sequence of recent sales executed under a Rule 10b5-1 plan with multiple trades in early October and mid‑September. Monitor continued 10b5-1 executions over the next 30–90 days for additional insider supply; the individual trades represent a de minimis percentage versus the 34,703,659 shares outstanding.

Compliance & Governance Specialist

Filing appears procedurally complete and includes the standard insider certification.

The notice includes the required statement that the signer does not possess undisclosed material adverse information and references the Rule 10b5-1 plan adoption dates where applicable. The broker and exact addresses are provided, and earlier 10b5-1 sales are listed with gross proceeds, which supports transparency.

From a governance view, the presence of a written 10b5-1 plan and repeated scheduled trades reduces ambiguity about timing; review the plan adoption date if available and watch for further filings that disclose plan termination or amendment within the next quarter.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	5900	229215.00	34703659	10/08/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	10/08/2025	Exercise of Stock Options	Issuer			5900	10/08/2025	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for MARK CHIPLOCK 111 Speen Street, Suite 410 Framingham MA 01701	Common	10/07/2025	5900	233134.37
10b5-1 Sales for MARK CHIPLOCK 111 Speen Street, Suite 410 Framingham MA 01701	Common	10/06/2025	5900	229628.00
10b5-1 Sales for MARK CHIPLOCK 111 Speen Street, Suite 410 Framingham MA 01701	Common	10/01/2025	5602	212595.90
MARK CHIPLOCK 111 Speen Street, Suite 410 Framingham MA 01701	Common	09/15/2025	269	7532.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144 filed for AMRC disclose about the planned sale?

It discloses a proposed sale of 5,900 common shares on 10/08/2025 via Morgan Stanley Smith Barney LLC with an aggregate market value of $229,215.00.

How were the shares to be sold acquired according to the filing?

The filing states the 5,900 shares were acquired on 10/08/2025 through an exercise of stock options and payment was made in cash.

Who is the selling person named in the filing for AMRC?

The recent sales listed name Mark Chiplock as the seller for multiple transactions executed under a 10b5-1 plan and one direct sale.

What recent sales by the same person are reported in the filing?

Recent sales include 5,900 shares on 10/07/2025, 5,900 on 10/06/2025, 5,602 on 10/01/2025, and 269 on 09/15/2025, with gross proceeds listed for each.

How large is the planned sale relative to outstanding shares?

The filing reports 34,703,659 shares outstanding; the planned 5,900 share sale is a very small fraction of that total.